/* ==========================================================================
   5. Gallery — photos on a curved 3D ring (gallery.scene.js). Scroll turns
   it, hover tilts a photo, click zooms into the lightbox (lightbox.js).
   ========================================================================== */

.gallery {
  position: relative;
  background: var(--night);
}

html.full .gallery {
  height: calc(var(--vh-full) * 3.4);
}

.gallery__sticky {
  position: sticky;
  top: 0;
  height: var(--vh-full);
  overflow: hidden;
  background: radial-gradient(80% 60% at 50% 55%, #2b180b 0%, #120a06 55%, var(--night) 100%);
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
}

html.full .gallery__sticky {
  cursor: grab;
}

html.full .gallery__sticky.is-dragging {
  cursor: grabbing;
}

html.full .gallery__sticky.is-hovering {
  cursor: zoom-in;
}

.gallery__sticky::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(8, 5, 3, 0.8) 0%, rgba(8, 5, 3, 0) 26%),
    linear-gradient(0deg, rgba(8, 5, 3, 0.85) 0%, rgba(8, 5, 3, 0) 26%);
}

html.lite .gallery__sticky::after {
  display: none;
}

.gallery__head {
  position: absolute;
  z-index: 2;
  top: calc(var(--nav-h) + clamp(0.8rem, 3vh, 2.2rem));
  left: var(--pad);
  right: var(--pad);
  text-align: center;
  pointer-events: none;
}

.gallery__head h2 {
  margin-top: 0.9rem;
  font-size: clamp(2.3rem, 5.4vw, 4.4rem);
}

.gallery__hint {
  margin-top: 0.9rem;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.gallery__caption {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: calc(var(--vh-full) - var(--vh-safe) + clamp(1.4rem, 4.5vh, 3rem));
  transform: translateX(-50%);
  width: min(100% - 2 * var(--pad), 40rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.gallery__caption-text {
  flex: 1;
  min-width: 0;
  text-align: center;
}

.gallery__count {
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--gold);
}

.gallery__text {
  margin-top: 0.35rem;
  min-height: 2.9em;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  line-height: 1.4;
  color: var(--cream);
  text-wrap: balance;
}

.gallery__open {
  margin-top: 0.35rem;
  padding: 0.4rem 0.2rem;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--text-soft);
  border-bottom: 1px solid var(--line);
  transition: color 0.3s, border-color 0.3s;
}

.gallery__open:hover {
  color: var(--gold-light);
  border-color: var(--gold);
}

.gallery__arrow {
  flex: none;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  color: var(--cream);
  border: 1px solid rgba(248, 246, 242, 0.2);
  border-radius: 50%;
  background: rgba(10, 7, 5, 0.45);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: color 0.35s, background-color 0.35s, border-color 0.35s, transform 0.35s var(--ease-out);
}

.gallery__arrow[data-gallery-prev] svg {
  transform: scaleX(-1);
}

@media (hover: hover) {
  .gallery__arrow:hover {
    color: var(--ink);
    background: var(--gold);
    border-color: var(--gold);
  }
}

.gallery__arrow:active {
  transform: scale(0.94);
}

/* ---------- lite fallback: swipeable strip ---------- */

.gallery__strip {
  display: none;
}

html.lite .gallery {
  padding: clamp(5rem, 12vh, 9rem) 0;
}

html.lite .gallery__sticky {
  position: relative;
  height: auto;
  overflow: visible;
  background: none;
  touch-action: auto;
}

html.lite .gallery__head {
  position: relative;
  top: auto;
  left: auto;
  right: auto;
  padding: 0 var(--pad);
  pointer-events: auto;
}

html.lite .gallery__caption {
  display: none;
}

html.lite .gallery__strip {
  display: flex;
  gap: clamp(0.8rem, 2vw, 1.4rem);
  margin-top: clamp(2.5rem, 6vh, 4rem);
  padding: 0 var(--pad) 1.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--gold-deep) transparent;
}

.gallery__strip button {
  flex: none;
  width: clamp(220px, 62vw, 340px);
  scroll-snap-align: center;
  border-radius: 14px;
  overflow: hidden;
  cursor: zoom-in;
}

.gallery__strip img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}

.gallery__strip button:hover img {
  transform: scale(1.04);
}

/* ---------- lightbox ---------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 950;
  display: grid;
  place-items: center;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 4, 2, 0.93);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  opacity: 0;
  cursor: zoom-out;
}

.lightbox__figure {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  pointer-events: none;
}

.lightbox__frame {
  --ratio: 0.75;
  position: relative;
  width: min(90vw, calc((var(--vh-safe) - 9.5rem) * var(--ratio)));
  aspect-ratio: var(--ratio);
  background: var(--cocoa) center / cover no-repeat;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 60px 120px -40px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(199, 163, 93, 0.22);
  transform-origin: 0 0;
  will-change: transform;
  pointer-events: auto;
}

.lightbox__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.5s;
}

.lightbox__img.is-loaded {
  opacity: 1;
}

.lightbox__caption {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  max-width: min(90vw, 34rem);
  text-align: center;
}

.lightbox__count {
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--gold);
}

.lightbox__text {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.02rem;
  color: var(--cream);
}

.lightbox__btn {
  position: absolute;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  color: var(--cream);
  border: 1px solid rgba(248, 246, 242, 0.22);
  border-radius: 50%;
  background: rgba(10, 7, 5, 0.5);
  transition: color 0.3s, background-color 0.3s, border-color 0.3s;
}

@media (hover: hover) {
  .lightbox__btn:hover {
    color: var(--ink);
    background: var(--gold);
    border-color: var(--gold);
  }
}

.lightbox__btn--close {
  top: clamp(1rem, 3vh, 2rem);
  right: clamp(1rem, 3vw, 2rem);
}

.lightbox__btn--prev {
  left: clamp(0.6rem, 3vw, 2.5rem);
  top: 50%;
  margin-top: -26px;
}

.lightbox__btn--prev svg {
  transform: scaleX(-1);
}

.lightbox__btn--next {
  right: clamp(0.6rem, 3vw, 2.5rem);
  top: 50%;
  margin-top: -26px;
}

@media (max-width: 699px) {
  .lightbox__btn--prev,
  .lightbox__btn--next {
    top: auto;
    bottom: max(1.2rem, env(safe-area-inset-bottom));
    margin-top: 0;
  }

  .lightbox__figure {
    margin-bottom: 3.5rem;
  }

  .lightbox__frame {
    width: min(90vw, calc((var(--vh-safe) - 14rem) * var(--ratio)));
  }
}